@book{han-nom-d8-ptgs-yh47,
  title = {Đại Việt địa dư toàn biên 大越地輿全編},
  author = {Nguyên-Văn-Siêu and Nguyẽ̂n-trọng-Họp},
  year = {1900},
  url = {https://www.viet-dien.com/t/han-nom-d8-ptgs-yh47/2},
  pages = {2},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-05},
}